Ergonomically designed battery grip for the Panasonic DMC-GH3 Camera; When combined with the battery inside the body, gives the DMC-GH3 longer battery life of more than 1,000 pictures (using the viewfinder); Offers comfortable grip and easy handling for vertical shooting; Dedicated buttons for exposure, ISO and WB, plus shutter release button on top and front / rear dials; Splashproof / dustproof design